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The probability that a person will get a...

The probability that a person will get an electric contract is `2/5` and the probability that they will not get plumbing contracts `4/7dot` if the probability of getting at least one contract is `2/3` , what is the probability that he will get both?

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  15. If A\ a n d\ B mutually exclusive events associated with a random e...

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  16. If A\ a n d\ B mutually exclusive events associated with a random e...

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  17. If A\ a n d\ B mutually exclusive events associated with a random e...

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  18. A\ a n d\ B are two events such that P(A)=0. 54 ,\ P(B)=0. 69\ a n ...

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  19. A\ a n d\ B are two events such that P(A)=0.54 ,\ P(B)=0.69\ a n d\ ...

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  20. A\ a n d\ B are two events such that P(A)=0. 54 ,\ P(B)=0. 69\ a n d...

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